Finding the Fourth Proportional to 103,615,746.65, 145,274,381.95 and 103,615,746.65
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Solution
The fourth proportional to 103,615,746.65, 145,274,381.95 and 103,615,746.65 is: 145,274,381.95
Step by Step Solution
- Step 1: Write the proportion equation
103,615,746.65 : 145,274,381.95 = 103,615,746.65 : x - Step 2: Convert to fraction form
103,615,746.65/145,274,381.95 = 103,615,746.65/x - Step 3: Cross multiply
103,615,746.65x = 145,274,381.95 × 103,615,746.65 - Step 4: Simplify right side
103,615,746.65x = 15,052,713,554,866,532 - Step 5: Solve for x
x = 15,052,713,554,866,532/103,615,746.65 - Step 6: Final answer
x = 145,274,381.95
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.